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American Export Trade with Mexico

Description: The purpose of the study is to make a survey and analysis of the export trade of the United States with Mexico. Attention is given to the kinds and types of goods exported to Mexico and imported from it, to the value of the trade, to some ways of carrying it on, and to aspects of Mexican life that influence trade relations.
Date: 1948
Creator: Williams, Donald Earl
Partner: UNT Libraries
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Optical Calcite Deposits of the Republic of Mexico

Description: From abstract: Many small deposits of optical calcite (Iceland spar) were discovered in the States of Chihuahua, Durango, Sonora, and Sinaloa from early in 1942 to late in 1944. Exploration that began in Sonora led to the discovery of commercial deposits in the eastern part of that State, and subsequently other deposits were found and mined in southwestern and northeastern Chihuahua and in western and central Durango. The largest deposits can be reached by foot or by horse in from 1 to 3 hours … more
Date: 1948
Creator: Fries, Carl, Jr.
Partner: UNT Libraries Government Documents Department
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Manganese Deposits of the Talamantes District Near Parral, Chihuahua, Mexico

Description: From abstract: The Talamantes district, 20 kilometers east of Parral in southern Chihuahua, has been the second largest producer of manganese ore in Mexico. Production, which started during World War I and has been more or less continuous since 1930, has totaled about 50,000 tons of ore with an average manganese content of 40 or 41 percent. The mines are on the Mesa de Talamantes, which is underlain by folded Cretaceous (?) limestone, overlain unconformably by gently dipping Tertiary rhyolite f… more
Date: 1948
Creator: Wilson, Ivan F. & Rocha, Victor S.
Partner: UNT Libraries Government Documents Department
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